David Bowie’s private art collection to be unveiled for the first time

Works the late singer quietly collected over the years to go on display before being auctioned at Sotheby’s

The whole truth about Van Gogh’s ear, and why his ‘mad genius’ is a myth

A new exhibition claims Vincent Van Gogh’s mental illness hampered his work, rather than drove his singular vision – and presents fresh medical evidence about his notorious self-mutilation

Burberry’s Christopher Bailey makes way for new CEO

Céline’s Marco Gobbetti to take over with Bailey staying on as creative director after protests over dual role

Christian Dior gives a masterclass in maturity at Paris haute couture week

Interim designers Serge Ruffieux and Lucie Meier give message of unity before widely reported appointment of Maria Grazia Chiuri from Valentino

Stage set for Colosseum to begin hosting events again after restoration

Italy’s culture minister says ancient Roman arena will be able to hold ‘cultural events of the highest level’ when work is complete